Portion of a shoe upper



FIG. 1 is a perspective view of a portion of a shoe upper showing my new design;

FIG. 2 is a side view of one side thereof;

FIG. 3 is a side view of the other side thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a front view thereof.

The uneven broken line immediately adjacent to the shaded area represents a boundary of the claimed design. The uneven broken line showing of the remainder of the shoe is for illustrative purposes only and form no part of the claimed design. The depicted contrast in shading represents a contrast in appearance, for example, by color, texture, and/or material. 

The ornamental design for a portion of a shoe upper, as shown and described. 